344540000 has 240 divisors, whose sum is σ = 1020273408. Its totient is φ = 111936000.

The previous prime is 344539973. The next prime is 344540011. The reversal of 344540000 is 45443.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3219947 + ... + 3220053.

Almost surely, 2^344540000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 344540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510136704).

344540000 is an abundant number, since it is smaller than the sum of its proper divisors (675733408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

344540000 is a wasteful number, since it uses less digits than its factorization.

344540000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 344540000 is about 18561.7887069108. The cubic root of 344540000 is about 701.0460550815.

Adding to 344540000 its reverse (45443), we get a palindrome (344585443).

The spelling of 344540000 in words is "three hundred forty-four million, five hundred forty thousand".